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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#75845#5466. Permutation CompressionXKErrorWA 2ms5736kbC++141.3kb2023-02-06 13:02:212023-02-06 13:02:23

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-02-06 13:02:23]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:5736kb
  • [2023-02-06 13:02:21]
  • 提交

answer

#include <bits/stdc++.h>

#define maxn 200005

using namespace std;

int n, m, k;
int a[maxn];
int b[maxn];

int p[maxn];
int q[maxn];

set<int> s, t;

int ft[maxn];

void add(int x, int k) {
	for (; x <= n; x += x & -x) ft[x] += k;
}

int qry(int l, int r) {
	int res = 0;
	for (int x = l - 1; x; x -= x & -x) res -= ft[x];
	for (int x = r; x; x -= x & -x) res += ft[x];
	return res;
}

int main() {
	int T;
	scanf("%d", &T);
	while (T--) {
		scanf("%d%d%d", &n, &m, &k);
		for (int i = 1; i <= n; i++) ft[i] = p[i] = q[i] = 0;
		for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
		for (int i = 1; i <= n; i++) p[a[i]] = i;
		for (int i = 1; i <= m; i++) scanf("%d", &b[i]);
		for (int i = 1; i <= m; i++) q[b[i]] = i;
		
		for (int i = 1; i <= n; i++) add(i, 1);
		s.clear();
		t.clear();
		t.insert(0);
		t.insert(n + 1);
		
		while (k--) {
			int x;
			scanf("%d", &x);
			s.insert(x);
		}
		for (int i = n; i; i--) {
			if (q[i]) t.insert(p[i]);
			else {
				int r = *t.lower_bound(p[i]);
				int l = *--t.lower_bound(p[i]);
				int len = qry(l + 1, r - 1);
				auto tmp = s.upper_bound(len);
//				cout<<*tmp<<"!"<<endl;
				if (tmp == s.begin()) {
					puts("NO");
					goto B;
				}
				s.erase(--tmp);
				add(p[i], -1);
			}
		}
		puts("YES");
		B:;
	}
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 5484kb

input:

3
5 2 3
5 1 3 2 4
5 2
1 2 4
5 5 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
3 2 2
3 1 2
3 2
2 3

output:

YES
YES
NO

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 5736kb

input:

100
2 1 2
2 1
2
1 1
2 1 2
1 2
1
2 2
2 1 1
1 2
1
2
6 1 5
3 4 2 5 6 1
3
5 2 1 1 1
6 1 6
2 1 3 6 4 5
1
4 1 2 2 1 4
3 3 2
2 1 3
2 1 3
2 2
1 1 1
1
1
1
1 1 1
1
1
1
2 1 2
2 1
2
1 2
4 4 3
2 1 3 4
2 1 3 4
4 3 1
1 1 1
1
1
1
6 5 1
6 2 5 4 3 1
6 2 4 3 1
4
1 1 1
1
1
1
6 5 3
3 6 1 4 5 2
3 6 1 4 2
3 3 4
4 3 4
3 4 ...

output:

YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
NO
NO
NO
NO
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES...

result:

wrong answer 4th lines differ - expected: 'YES', found: 'NO'